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Finding the Fourth Proportional to 25,559, 35,274.66 and 14,383.16

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Solution

The fourth proportional to 25,559, 35,274.66 and 14,383.16 is: 19,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559 : 35,274.66 = 14,383.16 : x
  2. Step 2: Convert to fraction form
    25,559/35,274.66 = 14,383.16/x
  3. Step 3: Cross multiply
    25,559x = 35,274.66 × 14,383.16
  4. Step 4: Simplify right side
    25,559x = 507,361,078.73
  5. Step 5: Solve for x
    x = 507,361,078.73/25,559
  6. Step 6: Final answer
    x = 19,850.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.